Suckless SAT Practice

SAT Practice58f8a50f-ca96-4d35-9e5d-bb5694488742

Practice one SAT question at a time

Questions come from the Bluebook question bank.

A circle in the xy-plane has a diameter with endpoints $left parenthesis 2 comma 4 right parenthesis$ and $left parenthesis 2 comma 14 right parenthesis$ . An equation of this circle is ${(x - 2)}^{2} + {(y - 9)}^{2} = r^{2}$ , where $r$ is a positive constant. What is the value of $r$ ?

Enter your answer

Use the exact value the question expects unless it says to round.